Boundary element method applied to added mass coefficient calculation of the skewed marine propellers

• Autorzy: Yari E. , Ghassemi H.

Identyfikatory

DOI

10.1515/pomr-2016-0017

• Języki publikacji: EN

Abstrakty

EN

The paper mainly aims to study computation of added mass coefficients for marine propellers. A three-dimensional boundary element method (BEM) is developed to predict the propeller added mass and moment of inertia coefficients. Actually, only few experimental data sets are available as the validation reference. Here the method is validated with experimental measurements of the B-series marine propeller. The behavior of the added mass coefficients predicted based on variation of geometric and flow parameters of the propeller is calculated and analyzed. BEM is more accurate in obtaining added mass coefficients than other fast numerical methods. All added mass coefficients are nondimensionalized by fluid density, propeller diameter, and rotational velocity. The obtained results reveal that the diameter, expanded area ratio, and thickness have dominant influence on the increase of the added mass coefficients.

Słowa kluczowe

EN

added mass coefficient; boundary element method; skew marine propeller

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2016
• Tom: nr 2
• Strony: 25--31
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Yari E.

• Faculty of Maritime Engineering Amirkabir University of Technology Hafez Ave., Tehran, IRAN

autor

Ghassemi H.

• Faculty of Maritime Engineering, Amirkabir University of Technology Hafez Ave., Tehran, IRAN

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.